12 River Ln, Cos Cob, CT 06807
Home value
$2,855,200
$2.51M - $3.28M
Not available
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Zillow last checked:
Listing updated:
Jackie Hammock 203-561-0690,
Coldwell Banker Realty
Cate Keeney, RES.0755441
Sotheby's International Realty
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 3
- Full bathrooms: 2
- 1/2 bathrooms: 1
Heating
- Natural Gas, Forced Air
Cooling
- Central Air
Appliances
- Laundry: Laundry Room
Features
- Sep Shower
- Basement: Partially Finished
- Number of fireplaces: 2
Interior area
- Total structure area: 2,653
- Total interior livable area: 2,653 sqft
Property
Parking
- Total spaces: 1
- Parking features: Garage
- Garage spaces: 1
Features
- Patio & porch: Terrace
Lot
- Size: 0.25 Acres
- Features: Level
Details
- Additional structures: Shed(s)
- Parcel number: 081358/S
- Zoning: R-7
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Cape Cod
- Property subtype: Residential, Single Family Residence
Materials
- Shingle Siding
- Roof: Shingle
Condition
- Year built: 1947
- Major remodel year: 2014
Utilities & green energy
- Water: Public
- Utilities for property: Cable Connected
Community & HOA
Community
- Security: Security System
Location
- Region: Cos Cob
Financial & listing details
- Price per square foot: $839/sqft
- Tax assessed value: $938,210
- Annual tax amount: $11,198
- Date on market: 9/11/2024
- Inclusions: Washer/Dryer, All Kitchen Applncs
Price history
| Date | Event | Price |
|---|---|---|
| 1/15/2025 | Sold | $2,225,000+2.3%$839/sqft |
Source: | ||
| 10/29/2024 | Pending sale | $2,175,000$820/sqft |
Source: | ||
| 10/11/2024 | Price change | $2,175,000-2.2%$820/sqft |
Source: | ||
| 9/11/2024 | Listed for sale | $2,225,000+11.3%$839/sqft |
Source: | ||
| 6/25/2024 | Listing removed | -- |
Source: | ||
| 6/12/2024 | Listed for sale | $1,999,000+185.6%$753/sqft |
Source: | ||
| 10/17/2014 | Sold | $700,000-53.3%$264/sqft |
Source: Public Record Report a problem | ||
| 7/1/2014 | Sold | $1,500,000-3.8%$565/sqft |
Source: | ||
| 3/22/2014 | Listing removed | $1,559,000$588/sqft |
Source: Coldwell Banker Residential Brokerage - Old Greenwich Office #89402 Report a problem | ||
| 2/28/2014 | Listed for sale | $1,559,000$588/sqft |
Source: Coldwell Banker Residential Brokerage - Old.Greenwich Office #89402 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $11,595 +3.5% | $938,210 |
| 2024 | $11,198 +2.6% | $938,210 |
| 2023 | $10,917 +0.9% | $938,210 |
| 2022 | $10,818 +4% | $938,210 +8.6% |
| 2021 | $10,400 +0.2% | $863,800 |
| 2020 | $10,383 -1% | $863,800 |
| 2019 | $10,487 +2.3% | $863,800 |
| 2018 | $10,253 -1.2% | $863,800 |
| 2017 | $10,382 +20.2% | $863,800 +19.3% |
| 2015 | $8,637 +2.6% | $724,290 |
| 2014 | $8,420 +2.8% | $724,290 |
| 2013 | $8,192 +2.8% | $724,290 |
| 2012 | $7,967 +3.4% | $724,290 |
| 2011 | $7,706 -10.4% | $724,290 -23.8% |
| 2010 | $8,598 +3.4% | $951,090 |
| 2009 | $8,313 +3.6% | $951,090 |
| 2008 | $8,027 +3.6% | $951,090 |
| 2007 | $7,751 +3.8% | $951,090 |
| 2006 | $7,466 +3.9% | $951,090 +60% |
| 2005 | $7,188 +3.6% | $594,580 |
| 2004 | $6,939 +3.4% | $594,580 |
| 2003 | $6,713 +28% | $594,580 +111.9% |
| 2001 | $5,246 +5.6% | $280,560 |
| 2000 | $4,966 +9.9% | $280,560 +15.2% |
| 1999 | $4,517 | $243,530 |
Neighborhood: Cos Cob
Nearby homes
- $2,590,0004 bd5 ba2.3k sqft10 River Ln, Cos Cob, CT 06807Off Market
- $2,428,1005 bd5 ba3.7k sqft14 River Ln, Cos Cob, CT 06807Off Market

- $1,400,0002 bd1 ba1.6k sqft8 River Ln, Cos Cob, CT 06807Sold
- $1,332,7004 bd2 ba2.5k sqft70 River Rd, Cos Cob, CT 06807Off Market
- $2,076,9004 bd2 ba3.6k sqft16 River Ln, Cos Cob, CT 06807Off Market
- $1,616,7003 bd2 ba1.6k sqft9 River Ln, Cos Cob, CT 06807Off Market
- $1,569,0003 bd2 ba2k sqft6 River Ln, Cos Cob, CT 06807Off Market
- $2,074,2004 bd3 ba3.6k sqft68 River Rd, Cos Cob, CT 06807Off Market
Nearby schools
GreatSchools rating
- 6/10Cos Cob SchoolGrades: PK-5Distance: 0.2 mi
- 8/10Central Middle SchoolGrades: 6-8Distance: 0.9 mi
- 10/10Greenwich High SchoolGrades: 9-12Distance: 1 mi
Schools provided by the listing agent
- Elementary: Cos Cob
- Middle: Central
Source: Greenwich MLS, Inc.. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.